| /* Dynamic architecture support for GDB, the GNU debugger. |
| Copyright 1998-1999, Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| |
| #if GDB_MULTI_ARCH |
| #include "gdbcmd.h" |
| #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */ |
| #else |
| /* Just include everything in sight so that the every old definition |
| of macro is visible. */ |
| #include "gdb_string.h" |
| #include <ctype.h> |
| #include "symtab.h" |
| #include "frame.h" |
| #include "inferior.h" |
| #include "breakpoint.h" |
| #include "gdb_wait.h" |
| #include "gdbcore.h" |
| #include "gdbcmd.h" |
| #include "target.h" |
| #include "gdbthread.h" |
| #include "annotate.h" |
| #include "symfile.h" /* for overlay functions */ |
| #endif |
| |
| /* Convenience macro for allocting typesafe memory. */ |
| |
| #ifndef XMALLOC |
| #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) |
| #endif |
| |
| |
| /* Use the program counter to determine the contents and size |
| of a breakpoint instruction. If no target-dependent macro |
| BREAKPOINT_FROM_PC has been defined to implement this function, |
| assume that the breakpoint doesn't depend on the PC, and |
| use the values of the BIG_BREAKPOINT and LITTLE_BREAKPOINT macros. |
| Return a pointer to a string of bytes that encode a breakpoint |
| instruction, stores the length of the string to *lenptr, |
| and optionally adjust the pc to point to the correct memory location |
| for inserting the breakpoint. */ |
| |
| unsigned char * |
| legacy_breakpoint_from_pc (CORE_ADDR * pcptr, int *lenptr) |
| { |
| /* {BIG_,LITTLE_}BREAKPOINT is the sequence of bytes we insert for a |
| breakpoint. On some machines, breakpoints are handled by the |
| target environment and we don't have to worry about them here. */ |
| #ifdef BIG_BREAKPOINT |
| if (TARGET_BYTE_ORDER == BIG_ENDIAN) |
| { |
| static unsigned char big_break_insn[] = BIG_BREAKPOINT; |
| *lenptr = sizeof (big_break_insn); |
| return big_break_insn; |
| } |
| #endif |
| #ifdef LITTLE_BREAKPOINT |
| if (TARGET_BYTE_ORDER != BIG_ENDIAN) |
| { |
| static unsigned char little_break_insn[] = LITTLE_BREAKPOINT; |
| *lenptr = sizeof (little_break_insn); |
| return little_break_insn; |
| } |
| #endif |
| #ifdef BREAKPOINT |
| { |
| static unsigned char break_insn[] = BREAKPOINT; |
| *lenptr = sizeof (break_insn); |
| return break_insn; |
| } |
| #endif |
| *lenptr = 0; |
| return NULL; |
| } |
| |
| int |
| generic_frameless_function_invocation_not (struct frame_info *fi) |
| { |
| return 0; |
| } |
| |
| char * |
| legacy_register_name (int i) |
| { |
| #ifdef REGISTER_NAMES |
| static char *names[] = REGISTER_NAMES; |
| if (i < 0 || i >= (sizeof (names) / sizeof (*names))) |
| return NULL; |
| else |
| return names[i]; |
| #else |
| internal_error ("legacy_register_name: called."); |
| return NULL; |
| #endif |
| } |
| |
| #if defined (CALL_DUMMY) |
| LONGEST legacy_call_dummy_words[] = CALL_DUMMY; |
| #else |
| LONGEST legacy_call_dummy_words[1]; |
| #endif |
| int legacy_sizeof_call_dummy_words = sizeof (legacy_call_dummy_words); |
| |
| void |
| generic_remote_translate_xfer_address (CORE_ADDR gdb_addr, int gdb_len, |
| CORE_ADDR * rem_addr, int *rem_len) |
| { |
| *rem_addr = gdb_addr; |
| *rem_len = gdb_len; |
| } |
| |
| /* */ |
| |
| extern initialize_file_ftype __initialize_gdbarch_utils; |
| |
| void |
| __initialize_gdbarch_utils (void) |
| { |
| } |